THESAURUS
plummeting
break, cascade, cataract, cheapening, chute, collapse, collapsing, comedown, crash, cut, debacle, deciduous, declension, declination, decline, declining, declivitous, decurrent, deflation, defluxion, depreciation, descendant, descending, descension, descent, devaluation, dive, down, down-reaching, downbend, downcome, downcoming, downcurve, downfall, downfalling, downflow, downgoing, downgrade, downhill, downpour, downrush, downsinking, downtrend, downturn, downward, downward trend, drooping, drop, dropping, fall, falling, gravitation, inclination, lowering, markdown, nose dive, on the descendant, on the downgrade, plummet, plunge, plunging, pounce, price cut, price fall, price reduction, rapids, reduction, sag, sagging, setting, sinking, slash, slump, stoop, submerging, subsiding, swoop, tottering, tumbledown, waterfall